﻿<blockquote class="extDef">
NOTE&nbsp; Definition according to ISO 10303-46:<br>
 The light source entity is determined by the reflectance specified in the surface style rendering. Lighting is applied on a surface by surface basis: no interactions between surfaces such as shadows or reflections are defined.</blockquote> 

<blockquote class="note"> 
NOTE&nbsp; Entity adapted from <strong>light_source</strong> defined in ISO 10303-46.
</blockquote> 
	 
<blockquote class="note">
NOTE&nbsp; In addition to the attributes as defined in ISO10303-46 the following additional properties from ISO/IEC 14772-1:1997 (VRML) are added: <em>ambientIntensity</em> and <em>Intensity</em>. The attribute <em>Name</em> has been added as well (as it is not inherited via representation_item).
</blockquote> 

<blockquote class="history">
HISTORY&nbsp; New entity in IFC2x, renamed and enhanced in IFC2x2.
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